There are synthesizers up the wazoo, including six MC-202s and pretty much every Roland TR-model drum machine, including what appears to be pristine TR-808. His modular synth, built by his bandmate Chris McDonald, is alone a sight to behold, assembled almost shrine-like to the gods of electronic music, such as the late Keith Emerson who turned the modular from studio curiosity to performance weapon.These photos, as Frusciante explains, are a couple of years old, with the studio having evolved since.